Bang Drop

Developer Web3 | 3x Winner Hackathon Internasional

[Bang Drop @BangDropID]

Shipped an agent that researches the network, writes programs, and starts messaging other agents on its own. @VaraNetwork A2A Hackathon. -> https://t.co/T8ic1SZpI0

[Bang Drop @BangDropID]

Every EVM debugger goes blind at Injective's precompiles. RevertLens doesn't 🥷

Paste a failed tx → it explains *exactly* why it reverted + the fix. Live chain, no mock.

🔗 https://t.co/10YjWPtzrh
💻 https://t.co/HbtMWB57cg

@injective @NinjaLabsHQ @NinjaLabsCN

[Walrus 🦭/acc @WalrusProtocol]

Walrus Sessions 2 is officially a wrap! 🙏

Huge thank you to every builder who joined the Tools Builder session. The creativity and execution over the past weeks was genuinely impressive.

🥇 1st: WalForm — $500 WAL
@UyLeQuoc | https://t.co/NzMLAOqVbf
🥈 2nd: Walrus Forms — $300 WAL

@ngna3007 | https://t.co/pozejcdGJ4
🥉 3rd: Scrolls — $200 WAL
@HeIsJoel0x | https://t.co/5fbVMg3cJD

Special Prize for Discord participation and unique ideas ($50 WAL each):
@cryptocymol, @olympusxvn, @harry_phan06, @cyberX___

Best Feedback ($50 WAL each):
@olympusxvn, @BangDropID, @MasterWattson, @cryptocymol, @tejas_yank, @sandman_sh

Congratulations to all winners, and thank you again to everyone who built with Walrus during Session 2.

We heard your feedback and a team is already working on changes for next time.

More Walrus Sessions coming soon. Some hints might land in our latest X Space 👀

[Bang Drop @BangDropID]

Mekar — Spotify-style royalty for AI agents.
Every model registers as an INFT on 0G mainnet with verifiable lineage. Every inference cascades royalty to its ancestors — atomic, on-chain.

Live → https://t.co/biYJWMXR99

#0GHackathon #BuildOn0G
@0G_labs @0g_CN @0g_Eco @HackQuest_

[iExec Developer @iExecDev]

One more time, huge congrats to the winners of the iExec Vibe Coding Challenge 🏆

🥇 Diam: Best Confidential DeFi
🥈 RWAOS: Best Institutional Architecture
🥉 DarkOdds: Best Confidential Prediction Market

Real confidential apps, real code, GG to all builders 🛠️

[ALTCOIN D/G\DDY 🇹🇹🇳🇬 {A.D}𓃵 @Altcoin_daddy]

How the Winners of the @iEx_ec Vibe Coding Challenge Used Nox Protocol

Privacy in crypto is often talked about as a feature. But in practice, it is much more than that. It changes how products are designed, how users behave, and what kinds of applications can exist on-chain in the first place.That is what made the iExec Vibe Coding Challenge interesting.All three winning projects used iExec Nox, but they did not use it in the same way. They each took the same privacy infrastructure and applied it to a different real-world problem:

Diam by @BangDropID used Nox to build a private OTC trading experience

RWA OS by @0xSelmgx used Nox to build confidential real-world asset operations

DarkOdds by @winsznx used Nox to build a privacy-first prediction market

What stands out is that none of these teams used privacy as a gimmick. They used it to improve how the product actually works.

First, what does Nox Protocol do?
In simple terms, Nox helps developers work with encrypted values on-chain.Instead of sending sensitive data like balances, amounts, or positions in plain text, an app can turn them into confidential handles. The app can then perform certain operations on those encrypted values without revealing them publicly.That matters because most blockchain apps are transparent by default. Anyone can often inspect a wallet, a trade size, or a user’s position. Nox changes that model. It lets builders keep sensitive information private while still using on-chain logic.

That is the foundation all three winning projects built on.
1. Diam: Making OTC trading private
Diam is a confidential OTC trading protocol. OTC stands for over-the-counter trading, which usually means two parties agree on a trade directly instead of going through a public exchange.This is a good use case for privacy because large trades on public markets reveal too much. If someone wants to trade a large position, other traders and bots can react to that information. That can lead to front-running, slippage, and worse pricing.Diam solves this by using Nox to encrypt key trade data before it reaches the chain. In the repo,
the encrypted flow is used for:
sell amounts
minimum acceptable buy amounts
sealed bids in RFQ mode
So while people can see that a trade exists, they cannot see the actual amount or price terms behind it.
What made Diam especially strong is that it did not stop at hiding data. It used Nox as part of the market logic itself. In direct OTC mode, a taker can submit a bid against a maker’s hidden minimum. The contract checks whether that bid is sufficient using confidential logic. If the bid is too low, the system can settle in a way that does not publicly reveal that rejection. That is an important privacy improvement, because normal transaction failure often leaks information.
Diam also adds RFQ mode, where multiple takers can submit sealed bids. The project then uses confidential comparisons to compute a second-price outcome. That brings private price discovery into the protocol, which is much more interesting than just storing hidden balances.The simplest way to describe Diam is this: it used Nox to make trading quieter, fairer, and harder to exploit.

2. RWA OS: Bringing privacy into real-world asset management
RWA OS took a very different path,Instead of focusing on trading, it focused on real-world assets, where privacy is often tied to ownership, compliance, and reporting. In that world, the challenge is not only to hide balances. It is to control who can see what, when they can see it, and how that information is recorded.
RWA OS uses Nox-based confidential token primitives to keep asset amounts private, but the real innovation is the system built around those private amounts.

The project includes flows for:
confidential issuance
confidential transfers
disclosure controls
compliance passports
audit anchoring
settlement vaults
This means the app is not simply saying, “here is a private token.” It is saying, “here is a private asset system with governance and compliance structure around it.”That is what made RWA OS stand out.
A transfer in this system is not just a balance update. It can require disclosure permissions and can be tied to a compliance record. The team also built a model where public settlement assets can be locked and turned into confidential representations. That creates a bridge between regular token flows and privacy-preserving asset operations. In simple language, RWA OS used Nox to answer a more enterprise-style question: how can sensitive asset activity stay private without losing accountability?,That is a strong and practical use of privacy infrastructure.

3. DarkOdds: Private betting with real payout logic
DarkOdds may be the clearest example of using Nox not just for privacy, but for actual product mechanics.
Prediction markets sound simple: users place bets, the market resolves, and winners get paid. But if you want privacy, the problem gets harder very quickly.
If bet sizes are public, users lose privacy. But if everything stays hidden, the protocol still needs to calculate payouts correctly. That means the app needs private computation, not just private storage.
DarkOdds uses Nox to keep individual bet amounts confidential. Users can place bets without revealing their position sizes to the public. But the project goes further than that. It uses a hybrid model where:
individual bets remain private,market-wide pool totals can be revealed in a controlled way,payouts are computed with confidential arithmetic and winners can decrypt their own payout privately.
That balance is important. A prediction market still needs readable odds and usable market behavior, but users should not have to expose their exact stake to everyone. What made DarkOdds stand out is that it solved the hard part: payout logic.
The project uses Nox operations to compute proportional payouts after market resolution. That means privacy is preserved not only when the bet is placed, but also when winnings are calculated and claimed. It also adds selective-disclosure style claim verification, which gives users a way to prove a payout if they need to, without making everything public by default. In short, DarkOdds used Nox to make prediction markets private without breaking the economics of how those markets work.

What these projects show about Nox
Looking at all three winners together, one thing becomes clear: Nox is not just a tool for hiding balances.
It can be used to build:
private trading systems
confidential asset infrastructure
privacy-first market mechanics
That is the real lesson from these repos.

Diam shows that Nox can support confidential deal-making.
RWA OS shows that Nox can support private asset operations with compliance layers.
DarkOdds shows that Nox can support private user positions while still enabling payout logic on-chain.
Each team found a different privacy problem and turned Nox into a real product feature.

The best thing about these three winners is that they make privacy feel useful.
They are not abstract demos. They are product ideas shaped by the reality that users do not always want their financial behavior visible to everyone. In each case, Nox was used to improve how the application behaves, not just how it looks on a technical diagram.
Diam made private trading practical.
RWA OS made confidential asset management structured and accountable.
DarkOdds made private prediction markets more believable as real products.
Together, they show that confidential on-chain applications are moving from concept to execution.
ethereum:0x607f4c5bb672230e8672085532f7e901544a7375

[iExec RLC @iEx_ec]

@BangDropID built a "silent" OTC desk. It combines Nox-encrypted amounts with @Chain_GPT for fair pricing.

It’s the perfect example of using ERC-7984 to wrap standard assets for private, professional grade trading.

[shelovesjules @DelforgeJules]

Just went through the winning project of the @iEx_ec Vibathon and honestly… it's one of the cleanest DeFi builds I've seen come out of a hackathon in a while.
It's called Diam by @BangDropID
Here's why it's worth your attention 🧵

[iExec RLC @iEx_ec]

Big congrats to the Vibe Coding Challenge winners🏆

🥇 Diam by @BangDropID
🥈 RWAOS by @0xSelmgx
🥉 DarkOdds by @winsznx

Huge thanks to @Chain_GPT and @tbc_munich for partnering with us.

and to every builder who showed up to vibe code, ship, and push confidential DeFi & RWA forward, you cooked.

[iExec Developer @iExecDev]

🎙️Building Confidential OTC: LIVE w/ Diam https://t.co/Gz6hReowkP

[Bang Drop @BangDropID]

@CryptoEights LFG BANGGG THANKSS

[Eight @CryptoEights]

GG first winnernya dari 🇮🇩

[iExec Developer @iExecDev]

@Chain_GPT @tbc_munich @winsznx @0xSelmgx 🥇 1st place: Diam by @BangDropID

A private OTC protocol bringing confidential trade execution on-chain. Hidden balances, hidden amounts, full DeFi composability.

🎥 https://t.co/5c4E7wq2PM
📄 https://t.co/6EfYc5ACYt
💻 https://t.co/Wma4KYJR3A

[Bang Drop @BangDropID]

Requesting $WAL funds from the #Stakely Faucet on the Walrus Testnet blockchain. Request ID: 1PJZ8TTV https://t.co/5lbbSACnOw

[Bang Drop @BangDropID]

Requesting $WAL funds from the #Stakely Faucet on the Walrus Testnet blockchain. Request ID: 1QBJBURR https://t.co/5lbbSACnOw

[Bang Drop @BangDropID]

Diam (Private OTC) — submission for @iEx_ec Vibe Coding Challenge

Confidential on-chain OTC desk: Nox-encrypted amounts (ERC-7984) + @Chain_GPT fair-price AI

🎥 https://t.co/y65fptQrWh
📷 https://t.co/3l8XOpJdjP
📷https://t.co/3rUa17xdUj

[Bang Drop @BangDropID]

Diam (Private OTC) — submission for @iEx_ec Vibe Coding Challenge

Confidential on-chain OTC desk: Nox-encrypted amounts (ERC-7984) + @Chain_GPT audit & fair-price AI

🎥 https://t.co/RdaZWHRJC1
🌐 https://t.co/3l8XOpJdjP
��� https://t.co/3rUa17xdUj

[Bang Drop @BangDropID]

just shipped 🏹 Manah at #monadblitz Jogja

3D archery where the bow physics, the scoring, AND the payout all happen inside one Solidity contract on @monad

login with gmail → stake → 3 shots → winner takes the pot
https://t.co/2c2NXrmsGA

@devweb3jogja @monad_dev

[Bang Drop @BangDropID]

@setyamickala i need to for building my projects, and for me to join hackathons

[Bang Drop @BangDropID]

📌 Cara vote:
1. Join Discord Kaspa → https://t.co/s0v9okiFd3
2. Tunggu 1-2 menit setelah join (antisipasi bot)
3. Buka link ini → https://t.co/eSQ3vUfxBJ
4. React emoji 🇭 (huruf H) untuk vote KasPay
5. Selesai! ✅

#Web3 #Blockchain #Hackathon #WTB #WTS #giveawayindonesia

[Bang Drop @BangDropID]

🏆 Kalau KasPay menang Community Vote:
• 3 voter acak masing-masing dapat 150,000 IDR 🎁
• Total hadiah 450,000 IDR
• Pemenang dipilih pakai spinner
• Aku hubungi via DM Discord

#Web3 #Blockchain #Hackathon #Kaspathon #WTB #WTS #Giveaway #giveawayindonesia